USU set to save $100,000 a year with new storage tank

Utah State University began construction for a new thermal energy storage tank on February 15 and the estimated savings to USU is more than $100,000 a year. USU and the University of Utah are the only campuses in the state using this technology so far.The 30-foot tall concrete TES tank will be completely buried below the Health, Physical Education and Recreation Field and it will hold approximately two million gallons of water, which will be used to cool buildings on campus.The HPER fields will be completely restored. Water in the tank is cooled using electric chillers during the most efficient time of the day, usually at night, when the temperature is cooler. The chilled water is then stored for use during warmer parts of the day. The tank holds enough water to provide air conditioning for the majority of buildings on campus for one day. Excavation for the tank will take approximately six weeks and the entire project should be completed by December 2011.

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